A bag contains 3 purple and 5 orange jelly-beans. If one jelly-bean is selected, then replaced and a second jelly-bean is select
2 answers:
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Answer:
Length of B is 7.4833
Step-by-step explanation:
The vector sum of A and B vectors in 2D is
And its magnitude is:
Where
Using the properties of the sum of two angles in the sin and cosine:
Sustituying in the magnitud of the sum
Solving for B
Sustituying the value of the magnitud of A